| 垂直防渗技术在土石坝除险加固工程中的应用和设计优化 |
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| 引用本文： | 罗居剑.垂直防渗技术在土石坝除险加固工程中的应用和设计优化[J].水利与建筑工程学报,2012,10(2):111-116. |
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| 作者姓名： | 罗居剑 |
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| 作者单位： | 上海勘测设计研究院,上海,200434 |
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| 摘 要： | 垂直防渗是土石坝除险加固中常用的一种技术,多头小直径深层搅拌桩、高压喷射灌浆、混凝土防渗墙三种垂直防渗技术各有其特点。对三种方法进行系统总结和比较的基础之上,结合几座水库土石坝防渗加固的设计实践,论述了垂直防渗技术的设计要点和设计优化的基本方法,强调垂直防渗技术的优化选择应基于渗漏问题自身特点、地层地质条件、当地施工技术水平、投资等综合研判之上,并应重视防渗结构的可靠性。
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| 关 键 词： | 垂直防渗墙 多头小直径深层搅拌桩 高压喷射灌浆 混凝土防渗墙 设计优化 |
Application and Optimal Design of Vertical Anti-seepage Technology in Rehabilitation Engineerings for Earth-rock Dams |
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| LUO Ju-jian.Application and Optimal Design of Vertical Anti-seepage Technology in Rehabilitation Engineerings for Earth-rock Dams[J].Journal of Water Resources Architectural Engineering,2012,10(2):111-116. |
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| Authors: | LUO Ju-jian |
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| Affiliation: | LUO Ju-jian(Shanghai Investigation and Design Institute,Shanghai 200434,China) |
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| Abstract: | The vertical anti-seepage technology is commonly used in the rehabilitation engineering for earth-rock dams.Three vertical anti-seepage technologies such as multiaxial and minor diameter deep mixing piles,high pressure jet grouting and concrete cutoff wall have their own peculiarities.Based on the summarization and comparison for these three methods,the design essentials and design optimization of vertical anti-seepage technology are discussed here according to the rehabilitation experiences for the earth-rock dams of several reservoirs.The choice of vertical anti-seepage technology should lie on the synthetic studies for the factors such as characteristics of reservoir leakage,geological conditions,technical level of local construction,investment and so on,besides,the reliability of anti-seepage structures should be also attached importance to. |
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| Keywords: | vertical anti-seepage wall multiaxial and minor diameter deep mixing pile high pressure jet grouting concrete cutoff wall design optimization |
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